As can be seen above, low level doesn’t mean low risk. Nor does it mean short-lived, as is seen below. Many have half-lives of thousands and even millions of years. Rather, this is a dilute to deceive scam so popular with illegal polluters, but this is condoned by the UK Government (as well as by the US govt): “radioactive waste having a radioactive content not exceeding four gigabecquerels per tonne (GBq/te) of alpha or 12 GBq/te of beta/gamma activity.”
Mining Awareness 12th July 2016 read more »